US20230406186A1 - Vehicle Seat - Google Patents

Vehicle Seat Download PDF

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Publication number
US20230406186A1
US20230406186A1 US18/038,760 US202118038760A US2023406186A1 US 20230406186 A1 US20230406186 A1 US 20230406186A1 US 202118038760 A US202118038760 A US 202118038760A US 2023406186 A1 US2023406186 A1 US 2023406186A1
Authority
US
United States
Prior art keywords
support rod
headrest
backrest
damping
vehicle seat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
US18/038,760
Other languages
English (en)
Inventor
Michael Leng
Mathias Schmidt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Assigned to BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT reassignment BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SCHMIDT, MATHIAS, LENG, MICHAEL
Publication of US20230406186A1 publication Critical patent/US20230406186A1/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/80—Head-rests
    • B60N2/897—Head-rests with sleeves located in the back-rest for guiding the rods of the head-rest
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/80—Head-rests
    • B60N2/806—Head-rests movable or adjustable
    • B60N2/809—Head-rests movable or adjustable vertically slidable
    • B60N2/812—Head-rests movable or adjustable vertically slidable characterised by their locking devices
    • B60N2/821—Head-rests movable or adjustable vertically slidable characterised by their locking devices with continuous positioning
    • B60N2/826—Head-rests movable or adjustable vertically slidable characterised by their locking devices with continuous positioning using rubber-type material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/80—Head-rests
    • B60N2/806—Head-rests movable or adjustable
    • B60N2/838—Tiltable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2205/00—General mechanical or structural details
    • B60N2205/20—Measures for elimination or compensation of play or backlash

Definitions

  • the invention relates to a vehicle seat.
  • the invention further relates to a vehicle, in particular a motor vehicle, having at least one such vehicle seat.
  • the natural frequency of vehicle seats often lies in the range of excitation caused by the vehicle and leads to discomfort for a passenger seated on the vehicle seat due to lateral vibration.
  • This vibration of the seat is amplified by additional special equipment in the upper backrest region, for example by active headrests or by screens integrated in the headrests or in the upper backrest region, so that during the operation of the vehicle the headrests of such vehicle seats perform clearly visible and noticeable lateral vibrations which negatively impairs the impression of quality of a vehicle.
  • the vibrations of the backrest which occur are generally reduced by complex and cost-intensive vibration absorbers which are provided in the interior of the backrest.
  • a vehicle seat comprising a seat bottom, a backrest which is attached to the seat bottom and which has a backrest structure and a headrest attached to the backrest
  • the headrest has a headrest structure provided with an upholstery cover, and is inserted by means of at least one support rod in an associated support rod holder of the backrest structure and is received so as to be locked or lockable there.
  • at least one damping element is provided between the backrest structure and the headrest structure.
  • the provision of the at least one damping element between the backrest structure and the headrest structure decouples the headrest from the backrest structure in terms of vibrations and dampens the vibrations and resonances which occur in the backrest relative to the anchoring of the headrest in the backrest.
  • the at least one damping element is formed from an elastic material or comprises such an elastic material.
  • the material is particularly preferably an elastomer, such as for example (natural or synthetic) rubber or silicone.
  • the at least one damping element is provided between the at least one support rod and the associated support rod holder.
  • the damping element is integrated in the headrest holder in the backrest.
  • the damping element extends in the seat transverse direction so as to provide a damping action with a first lateral damping portion and with a second lateral damping portion, starting from the associated at least one support rod toward one respective lateral guide surface which is configured in the interior of the support rod holder, and if the at least one support rod bears against the front inner wall region or against the rear inner wall region of the associated support rod holder substantially without a significant interposition of damping material in the seat longitudinal direction.
  • This embodiment permits a damping of vibrations and oscillations which occur in the seat transverse direction (i.e. in the vehicle transverse direction) without impairing the direct supporting action of the at least one support rod in the associated support rod holder in the seat longitudinal direction (i.e.
  • the at least one damping element is provided between the at least one support rod and the headrest structure.
  • the at least one damping element is provided in the interior of the headrest.
  • FIG. 1 is a partial sectional perspective view of a backrest of a vehicle seat according to an embodiment of the invention obliquely from the rear;
  • FIG. 1 shows in a perspective rear view the backrest 10 of a vehicle seat 1 of a vehicle (not shown).
  • a headrest 12 is attached to the upper end of the backrest 10 by means of two support rods 14 , 16 which are connected to a headrest structure 13 in the interior of the headrest 12 .
  • the support rods 14 , 16 are inserted into respective support rod holders 18 , 20 and are fastened in a height-adjustable manner therein (in the Z-direction of the backrest).
  • the support rod holders 18 , 20 are fixedly connected, for example welded, to a backrest structure 11 of the backrest.
  • At least one damping element 22 , 24 is arranged between one respective support rod 14 , 16 and the support rod holder 18 , 20 associated therewith.
  • the respective damping element 22 , 24 extends in the seat transverse direction Y so as to provide a damping action with a first damping portion 22 ′, 24 ′ and with a second damping portion 22 ′′, 24 ′′, starting from the associated support rod 14 , 16 , toward one respective lateral guide surface 18 ′, 18 ′′ or 20 ′, 20 ′′ which is configured in the interior of the respective support rod holder 18 , 20 .
  • the respective support rod 14 , 16 bears substantially directly against the front inner wall region and against the rear inner wall region of the associated support rod holder 18 , 20 in the seat longitudinal direction X.
  • the elasticity of the respective damping element 22 , 24 acts in a vibration-damping manner in the seat transverse direction Y, while an effective and direct support of longitudinal forces occurring in the X-direction from the headrest structure 13 into the backrest structure 11 is ensured in the seat longitudinal direction X, for example in the case of a front collision or in the case of a rear impact.
  • FIG. 3 shows a further variant for damping transverse vibrations, which can be provided individually or together with the variant of FIG. 2 in a vehicle seat.
  • the respective support rod 14 , 16 is fixedly connected at its upper end portion 14 ′, 16 ′, which is located in the interior of the headrest 12 , in each case to a first bearing element 26 ′, 28 ′ of a tilting joint 26 , 28 for tilting the headrest 12 about a transverse axis y.
  • Each of the tilting joints 26 , 28 has a hinge bolt 25 , 27 , a second bearing element 26 ′′, 28 ′′ which is connected to the headrest structure 13 being mounted thereby so as to be tiltable about the transverse axis y.
  • the invention is not limited to the above exemplary embodiments which merely serve for the general explanation of the basic idea of the invention. Rather, the device according to the invention can also adopt different embodiments from those described above within the scope of protection.
  • the device can have, in particular, features which represent a combination of the respective individual features of the claims.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)
US18/038,760 2020-12-15 2021-12-09 Vehicle Seat Pending US20230406186A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102020133562.8A DE102020133562A1 (de) 2020-12-15 2020-12-15 Fahrzeugsitz
DE102020133562.8 2020-12-15
PCT/EP2021/085046 WO2022128742A1 (de) 2020-12-15 2021-12-09 Fahrzeugsitz

Publications (1)

Publication Number Publication Date
US20230406186A1 true US20230406186A1 (en) 2023-12-21

Family

ID=79269859

Family Applications (1)

Application Number Title Priority Date Filing Date
US18/038,760 Pending US20230406186A1 (en) 2020-12-15 2021-12-09 Vehicle Seat

Country Status (5)

Country Link
US (1) US20230406186A1 (de)
EP (1) EP4263283A1 (de)
CN (1) CN116472196A (de)
DE (1) DE102020133562A1 (de)
WO (1) WO2022128742A1 (de)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1780300C3 (de) * 1968-08-28 1979-01-25 Recaro Gmbh & Co, 7000 Stuttgart Kopfstütze für Kraftfahrzeugsitze
DE2927702A1 (de) * 1979-07-09 1981-01-29 Eugen Otto Butz Kopfstuetze fuer kraftfahrzeugsitze
IT1203310B (it) 1979-10-23 1989-02-15 Bruzolo Snc Manifatt Perfezionamenti nelpoggia testa per sedili di autovetture
JPH0414045Y2 (de) * 1987-06-30 1992-03-31
JP2008272270A (ja) 2007-04-28 2008-11-13 Bizen Hatsujo Kk 車両用ヘッドレスト
JP2010268970A (ja) * 2009-05-21 2010-12-02 Honda Motor Co Ltd 車両用シート
US8308236B2 (en) * 2009-06-24 2012-11-13 Toyota Jidosha Kabushiki Kaisha Vehicular seat
DE102009042663A1 (de) 2009-09-23 2011-03-24 Bayerische Motoren Werke Aktiengesellschaft Elastische und dämpfende Lagerung der Kopfstütze eines Fahrzeugsitzes
FR2982545B1 (fr) * 2011-11-15 2014-05-16 Centre Detude Et De Rech Pour Lautomobile Cera Appui tete de siege de vehicule automobile
GB2511599A (en) 2012-12-05 2014-09-10 Lear Corp Folding vehicle head restraint assembly

Also Published As

Publication number Publication date
CN116472196A (zh) 2023-07-21
DE102020133562A1 (de) 2022-06-15
WO2022128742A1 (de) 2022-06-23
EP4263283A1 (de) 2023-10-25

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AS Assignment

Owner name: BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LENG, MICHAEL;SCHMIDT, MATHIAS;SIGNING DATES FROM 20211213 TO 20220208;REEL/FRAME:063763/0974

STPP Information on status: patent application and granting procedure in general

Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION